Finding the Fourth Proportional to 1,087.49, 1,500.18 and 694.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087.49 : 1,500.18 = 694.10 : x
2. Step 2: Convert to fraction form
   1,087.49/1,500.18 = 694.10/x
3. Step 3: Cross multiply
   1,087.49x = 1,500.18 × 694.10
4. Step 4: Simplify right side
   1,087.49x = 1,041,274.94
5. Step 5: Solve for x
   x = 1,041,274.94/1,087.49
6. Step 6: Final answer
   x = 957.50